CN212427956U - Heat preservation board and snow field take smoke prevention and exhaust structure of heat preservation board - Google Patents

Abstract

The utility model provides an insulation board and snow field take smoke prevention and exhaust structure of insulation board, includes the exhaust pipe, takes insulation board cavity, exhaust port, access door and the anti-bank of blocking of insulation board, the exhaust pipe sets up at the top of insulation board cavity, the downside of insulation board cavity is equipped with at least one exhaust port, be equipped with between exhaust port to the exhaust pipe in the insulation board cavity and lead smoke zone and dewfall frost district, the dewfall frost district sets up under the pipe import of discharging fume, the dewfall frost district is enclosed by the access door that sets up in one side, communicates with the external world, the anti-bank of blocking that sets up at the opposite side and insulation board cavity inner wall and forms, it forms flue gas flow opening to be equipped with the interval between the top of blocking anti-bank and the insulation board cavity top, follows the flue gas that the exhaust port got into loops through lead smoke zone, flue gas flow opening, dewfall frost district and exhaust pipe intercommunication, this device has reduced the phenomenon that snow field prevents that the, a small amount of dew can be regularly cleaned through an access door.

Description

Heat preservation board and snow field take smoke prevention and exhaust structure of heat preservation board

Technical Field

The utility model relates to a heated board and snow field take smoke prevention and exhaust structure of heated board.

Background

With the construction of large indoor snow farms in China, the fire-fighting problem has attracted extensive attention and discussion. According to the latest fire regulations, large indoor ski farms must be provided with smoke-protection vents. The anti-smoke vent of snow field is unlike the new trend system of opening the operation throughout the year, and when the fan closed, outside hot-air will pass through the exhaust pipe and get into indoorly, meets with the anti-smoke vent lateral wall of metal construction, takes place the dewfall phenomenon of freezing. The heat preservation valve in the conventional fire-fighting smoke exhaust pipeline can not reach the heat preservation thickness required by the process, so that the phenomenon of dew condensation and ice hanging at a heat preservation smoke exhaust port is commonly found in other built operating snow yards, and the failure of an anti-smoke exhaust system is caused. Once the ice hanger is formed, great hidden danger is generated to the safety of tourists in the snow field after falling from high altitude.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough of prior art provide a reduce phenomenon that the smoke vent department condensation ice-hang is prevented to snow field, the accessible access door regularly clears up the heated board of condensation and frost and the smoke prevention and exhaust structure of snow field area heated board.

In order to achieve the above object, the embodiment of the present invention adopts the following technical solution:

the utility model provides a snow field takes smoke prevention and exhaust structure of heated board, includes the pipe of discharging fume, takes heated board cavity, exhaust port, access door of heated board and blocks anti-bank, the pipe of discharging fume sets up the top at the heated board cavity, the downside of heated board cavity is equipped with at least one exhaust port, the inherent exhaust port of heated board cavity is equipped with between discharging fume the pipe and leads smoke zone and dewfall frost district, the dewfall frost district sets up under the pipe import of discharging fume, the dewfall frost district is enclosed at the opposite side blocking anti-bank and heated board cavity inner wall by setting up the access door that communicates in one side, with the external world and forming, block to be equipped with the interval between the top of anti-bank and the heated board cavity top and form flue gas flow opening, follow the flue gas that the exhaust port got into loops through leads smoke zone, flue gas flow opening, dewfall frost district and discharge fume pipe intercommunication. By adopting the structure, the heat insulation plate cavity is arranged, so that the condensation phenomenon is reduced, and the function of blocking the reverse ridges is to form a condensation frost region for gradually cooling the hot air entering from the outdoor so as to block the hot air; on the other hand, in order to prevent the dew formed in the dew condensation frost region from flowing to the air port and prevent frost from forming, the access door is arranged to be a class A fireproof heat-preservation sealed door, so that the dew and the frost in the dew condensation frost region can be conveniently and periodically cleaned.

In this embodiment, the heated board includes galvanized steel sheet layer, poly isocyanate foam PIR material layer and flame retardant coating from outside to inside in proper order, the flame retardant coating presss from both sides the rock wool layer by two-layer calcium silicate sheet layer in the middle of and constitutes, the isocyanate foam PIR material layer passes through high temperature resistant sealed glue with galvanized steel sheet layer and flame retardant coating and connects sealedly.

In the embodiment, the inner wall of the blocking back bank facing the dewing and frost region and the inner wall of the smoke exhaust pipeline on the same side are positioned on the same vertical plane, so that the projection of the outlet of the smoke exhaust pipe is ensured to be positioned in the range of the dewing and frost region.

In this embodiment, the area of the flue gas circulation port is larger than the area of the total smoke exhaust port.

In the embodiment, the smoke outlet is provided with a smoke outlet shutter, and the smoke outlet shutter enables the speed of smoke passing through the smoke outlet not to exceed 9 m/s.

The utility model provides an use heated board on above-mentioned smoke prevention and exhaust structure, includes galvanized steel sheet layer, poly isocyanate foam PIR material layer and the flame retardant coating that arranges in proper order from inside to outside, the flame retardant coating presss from both sides in the middle of by two-layer calcium silicate board layer and adorns the rock wool layer and constitutes, the melamine foam PIR material layer is sealed through sealed the connection of high temperature resistant sealed glue with galvanized steel sheet layer and flame retardant coating.

In this embodiment, the thickness of the PIR material layer of the polyisocyanurate foam is 200 mm.

In this embodiment, the thickness of the galvanized steel sheet layer is 1.2 mm.

In this embodiment, the thickness of the calcium silicate board layer is 8 mm.

In this embodiment, the rock wool layer thickness is 75 mm.

In conclusion, the invention reduces the phenomenon of dew condensation and ice hanging at the smoke prevention and exhaust port of the snow field, and a small amount of dew condensation can be regularly cleaned through the access door.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.

Fig. 2 is a schematic structural diagram of embodiment 2 of the present invention.

Fig. 3 is the structure schematic diagram of the heat-insulating board of the utility model.

In the attached drawing, 1, a heat insulation board cavity, 11, a polyisocyanurate foam PIR material layer, 12, a galvanized steel plate layer, 13, a calcium silicate plate layer, 14, a rock wool layer, 15, high-temperature-resistant sealant, 2, a flue gas flow opening, 3, a total area of an air opening, 4, a smoke outlet shutter, 6, an access door, 7, a condensation frost region, 8, a smoke exhaust pipe, 9 and a blocking reverse bank.

Detailed Description

For a better understanding of the present invention, the following detailed description of the present invention is provided in conjunction with the accompanying drawings and the embodiments, however, the present invention is not limited thereto, and the protection scope of the present invention also relates to the equivalent technical means that can be conceived by those skilled in the art according to the inventive concept.

Example 1:

as shown in fig. 1, the smoke prevention and exhaust structure with the heat preservation plate for the snow field suitable for top surface smoke exhaust comprises a smoke exhaust pipe 8, a heat preservation plate cavity 1 with the heat preservation plate, a smoke exhaust port, an access door 6 and a blocking reverse sill 9, wherein the smoke exhaust pipe 8 is arranged at the top of the heat preservation plate cavity 1, at least one smoke exhaust port is arranged at the lower side of the heat preservation plate cavity 1, a condensation frost region 7 is arranged under the smoke exhaust pipe in the heat preservation plate cavity 1, one side of the condensation frost region 7 is provided with the access door 6 communicated with the outside, the other side of the condensation frost region is provided with the blocking reverse sill 9, the inner wall of the blocking reverse sill 9 facing the condensation frost region 7 and the inner wall of one side of the smoke exhaust pipe are positioned on the same vertical plane, a distance is arranged between the top of the blocking reverse sill 9 and the top of the heat preservation plate cavity to form a smoke flow port 2, and the blocking reverse sill enables, the area of the flue gas circulation port 2 is larger than the total area 3 of the air port of the smoke outlet, the smoke outlet is provided with a smoke outlet shutter 4, and the smoke outlet shutter 4 enables the speed of flue gas passing through the smoke outlet not to exceed 9 m/s. The axis of the face of discharge fume port place in this embodiment and the center pin parallel arrangement of tub 8 of discharging fume to the top at the snow field is suitably installed to the structure of preventing discharging fume of this embodiment.

As shown in fig. 3, in this embodiment, the heat-insulating board sequentially includes a galvanized steel plate layer 12, a polyisocyanurate foam PIR material layer 11, and a fireproof layer from outside to inside, the fireproof layer is formed by sandwiching a rock wool layer 14 between two calcium silicate plate layers 13, and the cyanurate foam PIR material layer 11, the galvanized steel plate layer 12, and the fireproof layer are connected and sealed by a high-temperature-resistant sealant 15. The thickness of the PIR material layer of the polyisocyanurate foam is 200mm, the thickness of the galvanized steel plate layer is 1.2mm, the thickness of the calcium silicate plate layer is 8mm, and the thickness of the rock wool layer is 75 mm.

Example 2:

the difference between the embodiment and the embodiment 1 is that the central axis of the surface where the smoke outlet is located is perpendicular to the central axis of the smoke exhaust pipe 8, so the smoke prevention and exhaust structure of the embodiment is suitable for being installed on the side surface of a snow field.

In the practical application of the embodiment, the smoke discharge amount is calculated according to the area of the snow field; the area of the smoke vent that the volume of discharging fume divided by the speed of discharging fume obtained, to the area of every anti-exhaust port design smoke vent tripe, calculate the volume that reachs the heated board cavity, block that the height of anti-bank 9 is confirmed according to the wind gap area, will guarantee that the flue gas circulation mouth 2 on its upper portion is greater than the total area 3 in wind gap, if block that anti-bank 9 upper portion height is less than former wind gap, can guarantee the area through the mode of extension. The blocking threshold width is 200 mm.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims (10)

1. The utility model provides a snow field takes smoke prevention and exhaust structure of heated board which characterized in that: including the pipe of discharging fume, take heated board cavity, exhaust port, access door of heated board and block anti-bank, the pipe of discharging fume sets up the top at the heated board cavity, the downside of heated board cavity is equipped with at least one exhaust port, the inherent exhaust port of heated board cavity is equipped with between the pipe of discharging fume and leads smoke zone and dewfall frost district, the dewfall frost district sets up under the pipe import of discharging fume, the dewfall frost district by set up in one side, with the access door of external intercommunication, set up block at the opposite side anti-bank and heated board cavity inner wall surround and form, it forms flue gas circulation opening to block to be equipped with the interval between the top of anti-bank and the heated board cavity top, follows the flue gas that the exhaust port got into loops through and leads smoke zone, flue gas circulation opening, dewfall frost district and the pipe intercommunication of discharging fume.

2. The snow field smoke prevention and exhaust structure with the heat preservation plate according to claim 1, characterized in that: the insulation board comprises a galvanized steel plate layer, a polyisocyanurate foam PIR material layer and a fireproof layer in sequence from outside to inside, wherein the fireproof layer is formed by clamping a rock wool layer between two calcium silicate plate layers, and the cyanurate foam PIR material layer is connected and sealed with the galvanized steel plate layer and the fireproof layer through high-temperature-resistant sealing glue.

3. The snow field smoke prevention and exhaust structure with the heat preservation plate according to claim 1, characterized in that: the inner wall of the blocking reverse ridge facing the dew condensation and frost region and the inner wall of the smoke exhaust pipeline on the same side are positioned on the same vertical plane.

4. The snow field smoke prevention and exhaust structure with the heat preservation plate according to claim 1, characterized in that: the area of the flue gas circulation port is larger than that of the total smoke exhaust port.

5. The snow field smoke prevention and exhaust structure with the heat preservation plate according to claim 1, characterized in that: the smoke outlet is provided with a smoke outlet shutter, and the arrangement of the smoke outlet shutter ensures that the speed of smoke passing through the smoke outlet is not more than 9 m/s.

6. An insulation board, its characterized in that: the fireproof coating comprises a galvanized steel plate layer, a polyisocyanurate foam PIR material layer and a fireproof layer, wherein the galvanized steel plate layer, the polyisocyanurate foam PIR material layer and the fireproof layer are sequentially arranged from inside to outside, the fireproof layer is formed by clamping a rock wool layer between two calcium silicate plate layers, and the cyanurate foam PIR material layer, the galvanized steel plate layer and the fireproof layer are connected and sealed through high-temperature-resistant sealant.

7. The insulation board of claim 6, wherein: the thickness of the PIR material layer of the polyisocyanurate foam is 200 mm.

8. The insulation board of claim 6, wherein: the thickness of the galvanized steel sheet layer is 1.2 mm.

9. The insulation board of claim 6, wherein: the thickness of the calcium silicate board layer is 8 mm.

10. The insulation board of claim 6, wherein: the rock wool layer thickness is 75 mm.

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